Sir Mavarick is a thoroughbred horse born in Australia in 1996. Race horse Sir Mavarick is by Varick (USA) out of Stellion (AUS) , trained by K M Sweeney. Sir Mavarick form is available here. Owned by K M SWEENEY, D R CONDON, W A FORSTER, B J BALKIN, MISS S DICKER & S KOKOTIS..